<template>
  <div>
    <router-view></router-view>
    <div class="my-tab-bar">
      <div
        class="tab-item"
        v-for="(item, index) in list"
        :key="index"
        :class="{ current: index === activeIndex }"
        @click="clickFn(index, item.componentName)"
      >
        <!-- 图标 -->
        <span class="iconfont" :class="item.iconText"></span>
        <!-- 文字 -->
        <span>{{ item.text }}</span>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  props: {
    list: Array,
    required: true,
    validator(val) {
      if (val.length < 2 || val.length > 5) {
        console.error('prop list must between 2 and 5 ')
        return false
      }
      return true
    },
  },
  data() {
    return {
      activeIndex: 0,
    }
  },
  methods: {
    clickFn(index, name) {
      this.activeIndex = index
      this.$router.push({
        name,
      })
    },
  },
}
</script>

<style lang="less" scoped>
.my-tab-bar {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 50px;
  border-top: 1px solid #ccc;
  display: flex;
  justify-content: space-around;
  align-items: center;
  background-color: white;
  .tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

.current {
  color: #1d7bff;
}
</style>
